Pith Number

pith:2YLX4BAW

pith:2018:2YLX4BAWHJDN74YITD5R374RVL

not attested not anchored not stored refs pending

Bound on the graviton mass from Chandra X-ray cluster sample

Sajal Gupta, Shantanu Desai

arxiv:1811.09378 v2 · 2018-11-23 · astro-ph.CO · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2YLX4BAWHJDN74YITD5R374RVL}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:48:39.840577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6177e04163a46dff30898fb1dff91aafc9634791b8a1a4cc3e5f7430bfe81cf

Aliases

arxiv: 1811.09378 · arxiv_version: 1811.09378v2 · doi: 10.48550/arxiv.1811.09378 · pith_short_12: 2YLX4BAWHJDN · pith_short_16: 2YLX4BAWHJDN74YI · pith_short_8: 2YLX4BAW

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2YLX4BAWHJDN74YITD5R374RVL \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d6177e04163a46dff30898fb1dff91aafc9634791b8a1a4cc3e5f7430bfe81cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "688e7994f3446357731d41099bf109c23c7295195c9d7302b0eb141d2171bd12",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-11-23T07:31:11Z",
    "title_canon_sha256": "c26b8dd20e2a8bb6d7706627f1e717f8327b78bb56408cf96c8218fea725f20b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09378",
    "kind": "arxiv",
    "version": 2
  }
}